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A side-by-side comparison of DeepSeek V4 Flash (0731) and GPT-5.6 Luna, using the lowest price and highest limits found across every provider that offers each model.
| DeepSeek V4 Flash (0731) | GPT-5.6 Luna | |
|---|---|---|
| Providers | 55 | 57 |
| Cheapest input ($/M) | $0.0171 via Naga | $0.036 via UnoRouter |
| Cheapest output ($/M) | $0.0576 via UnoRouter | $0.216 via UnoRouter |
| Max context | 1M | 1.1M |
| Max output | 1M | 128K |
| Released | Apr 23, 2026 | Jun 23, 2026 |
| Open weights | Yes | No |
| Features | ReasoningToolsStructured outputTemperature | ReasoningToolsStructured outputFiles |
| Input modalities | Text | FileImageText |
| Output modalities | Text | Text |